Base | Representation |
---|---|
bin | 111011001101101000100 |
3 | 10122120120200 |
4 | 13121231010 |
5 | 444042132 |
6 | 105330500 |
7 | 22330554 |
oct | 7315504 |
9 | 3576520 |
10 | 1940292 |
11 | 1105852 |
12 | 796a30 |
13 | 52c203 |
14 | 387164 |
15 | 284d7c |
hex | 1d9b44 |
1940292 has 18 divisors (see below), whose sum is σ = 4904718. Its totient is φ = 646752.
The previous prime is 1940269. The next prime is 1940293. The reversal of 1940292 is 2920491.
It can be written as a sum of positive squares in only one way, i.e., 1806336 + 133956 = 1344^2 + 366^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is not an unprimeable number, because it can be changed into a prime (1940293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26913 + ... + 26984.
21940292 is an apocalyptic number.
1940292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1940292 is an abundant number, since it is smaller than the sum of its proper divisors (2964426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1940292 is a wasteful number, since it uses less digits than its factorization.
1940292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53907 (or 53902 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 1940292 is about 1392.9436456655. The cubic root of 1940292 is about 124.7256275320.
The spelling of 1940292 in words is "one million, nine hundred forty thousand, two hundred ninety-two".
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